diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/1553/b1553brm_pci.c')
-rw-r--r-- | c/src/lib/libbsp/sparc/shared/1553/b1553brm_pci.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/1553/b1553brm_pci.c b/c/src/lib/libbsp/sparc/shared/1553/b1553brm_pci.c deleted file mode 100644 index 2ae4af5607..0000000000 --- a/c/src/lib/libbsp/sparc/shared/1553/b1553brm_pci.c +++ /dev/null @@ -1,135 +0,0 @@ -#include <ambapp.h> -#include <b1553brm_pci.h> - -/* Select PCI driver */ -#define B1553BRM_NO_AMBA -#define B1553BRM_PCI - -#undef B1553BRM_MAXDEVS - -/* Use only 16K memory */ -#define DMA_MEM_16K - -/* Malloced memory or - * Card local memory - */ -#define B1553BRM_LOCAL_MEM - -#define DONT_DEF_RAMON - -/* memory must be aligned to a 128k boundary */ -unsigned int brmpci_memarea_address; -#define B1553BRM_LOCAL_MEM_ADR brmpci_memarea_address - -/* We have custom address tranlation for HW addresses */ -#define B1553BRM_ADR_TO - -/* No custom MEMAREA=>CPU used since BRM Core work with offsets - * in it's descriptors. - */ -#undef B1553BRM_ADR_FROM - -/* Set registered device name */ -#define B1553BRM_DEVNAME "/dev/brmpci0" -#define B1553BRM_DEVNAME_NO(devstr,no) ((devstr)[11]='0'+(no)) - -/* Any non-static function will begin with */ -#define B1553BRM_PREFIX(name) b1553brmpci##name - -/* do nothing, assume that the interrupt handler is called - * setup externally calling b1553_interrupt_handler. - */ -#define B1553BRM_REG_INT(handler,irq,arg) \ - if ( b1553brm_pci_int_reg ) \ - b1553brm_pci_int_reg(handler,irq,arg); - - -#ifdef B1553BRM_ADR_TO -/* Translate a address within the Memory Region (memarea) into an Hardware - * device address. This address is put into hardware registers or descriptors - * so that the hardware can access the Memory Region. - * Example: - * An local AMBA access at 0xe0000000 will translate into PCI address 0x40000000, - * the PCI address 0x40000000 will translate into CPU-AMBA address 0x40000000. - */ -unsigned int brmpci_hw_address; -static inline unsigned int memarea_to_hw(unsigned int addr) { - /* don't translate? */ - if ( brmpci_hw_address == 0xffffffff ) - return addr; - return ((addr & 0x000fffff) | brmpci_hw_address); -} -#endif - -/* not used since BRM Core work with offsets */ -#ifdef B1553BRM_ADR_FROM -unsigned int brmpci_cpu_access_address; -static inline unsigned int hw_to_cpu(unsigned int addr) { - /* don't translate? */ - if ( brmpci_cpu_address == 0xffffffff ) - return addr; - return ((addr & 0x0fffffff) | brmpci_cpu_address); -} -#endif - -void (*b1553brm_pci_int_reg)(void *handler, int irq, void *arg) = 0; - -static void b1553brmpci_interrupt_handler(int irq, void *arg); - -#include "b1553brm.c" - -/* - * - * memarea = preallocated memory somewhere, pointer to start of memory. - * hw_address = how to translate a memarea address into an HW device AMBA address. - */ - -int b1553brm_pci_register( - struct ambapp_bus *bus, - unsigned int clksel, - unsigned int clkdiv, - unsigned int brm_freq, - unsigned int memarea, - unsigned int hw_address - ) -{ - /* Setup configuration */ - - /* if zero malloc will be used */ - brmpci_memarea_address = memarea; - - brmpci_hw_address = hw_address; - -#ifdef B1553BRM_ADR_FROM - brmpci_cpu_address = memarea & 0xf0000000; -#endif - - /* Register the driver */ - return B1553BRM_PREFIX(_register)(bus,clksel,clkdiv,brm_freq); -} - -/* Call this from PCI interrupt handler - * irq = the irq number of the HW device local to that IRQMP controller - * - */ -static void b1553brmpci_interrupt_handler(int irq, void *arg){ - brm_interrupt(arg); -} - -#if 0 -int b1553brm_pci_interrupt_handler(int irqmask){ - int i; - unsigned int mask=0; - /* find minor */ - for(i=0; i<brm_cores; i++){ - if ( (1<<brms[i].irqno) & irqmask ){ - mask |= 1<<brms[i].irqno; - brm_interrupt(&brms[i]); - /* more interrupts to scan for? */ - if ( irqmask & ~mask ) - return mask; /* handled */ - } - } - return mask; -} -#endif |